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WordPress Anti Spam: 12 Great WordPress Plugins To Help You Fight Spam

There are thousands of spammers flood your blog everyday, and spam comments is a serious problem for all bloggers. Everyday, we need to go through the comments and read them to make sure these comments are not spam. These spam comments not only waste our time, but also the internet bandwidth.

Today, we are going to look into 12 great WordPress anti spam plugins, which will save your time by blocking spam bots to comment on your blog, prevent them from stealing email address from your articles, and help you fight against these spam bots.

1. Akismet

Akismet is the most popular anti spam plugin for WordPress. In order to use Akismet, you have to register an account at and get the API key. When new comment come to your blog, Akismet will check the comment through the web service to determine if it is spam. Suspected comments will be marked as spam and users can go through them later.

2. AVH First Defense Against Spam

This plugin has a different approach to check spam. When visitors come to your blog, this plugin will first check their IPs, to see whether these IPs exist in the database served by, the Project Honey Pot or a local blacklist. By this way, the spammer can be blocked before the content of your site is served.

Best Cloud Hosting for Wordpress
Best Cloud Hosting for Wordpress

3. Defensio Anti-Spam

Defensio is a spam filtering web service that you can use to protect your blog or web application from comment spam. Using Defension with other anti spam plugins will cause problem. So, please deactivate them in order to use this plugin.

4. WP-Hashcash

WP hashcash prevents comment spam by force the commentators to additional compute a value from javascript and submit it along with the comment. Besides this, it also helps to prevent trackback spam by comparing the IP of the trackback’s url with the senders IP, and by looking in the trackback’s url for a link back to your post.

5. Math Comment Spam Protection

This simple plugin will ask the commentators a math question before they post their comments. It doesn’t require Javascript or cookie to work.

6. bcSpamBlock

bcSpamBlock is a light WordPress plugin to fight spam. Users with Javascript enabled will not see any difference while users with Javascript disabled will need to copy and paste a small string into a textbox. Basically the plugin will generates a random ID and then encrypt it. When the comment form is submitted, the plugin will re-encrypt the random ID and compare to make sure it matches the crypt value.

7. DNS-anti-spam

This plugin will check the comentator IP to determine whether it is posted from blacklisted IPs, and then check the content of the comment against a huge list of known spammer websites.

8. WP Spam Hitman

WP Spam Hitman is based on set of rules and concept of hitpoint. With right set of rules and hitpoint level you can eliminate most or even all of the spam on you blog.

9. WP-SpamFree

An extremely powerful anti-spam plugin for WordPress that eliminates comment spam, including trackback and pingback spam. There is an interesting feature called Enchanced Comment Blocklist, which able to blovk the comment if the comment contains blacklisted keywords.

10. Bad Behavior

Bad Behavior is designed to act as a gatekeeper and it is able to prevent spammers from reading your content. Bad Behavior analyzes the delivery method as well as the software the spammer is using.

11. Email Protect

Email Protect will automatically change email addresses in your blog to other alternatives such as image to prevent spam bots from harvesting them.

Best Cloud Hosting for Wordpress
Best Cloud Hosting for Wordpress

12. spam-stopper

spam-stopper able to keep spammer robots from posting on your blog. Users can create their custom question so that spammer robots cannot answer and prevent them from posting on the blog.

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